.btn-whatsapp{position:fixed;z-index:5;bottom:15px;right:15px;display:flex;flex-direction:row;align-items:center;padding:10px 20px 10px 10px;border-radius:50px;z-index:1000;text-decoration:none}.btn-whatsapp:before{position:absolute;content:"";left:0;top:0;width:40px;height:40px;background:#89bd49;opacity:.2;animation:pulse-border 1500ms ease infinite;z-index:-3;border-radius:50%;top:50%;left:44%;transform:translate(-50%,-50%)}.btn-whatsapp i{background-color:green;width:40px;height:40px;display:inline-flex;flex-direction:column;justify-content:center;border-radius:50%;position:relative;z-index:2;text-align:center;color:#fff;font-size:27px}@keyframes pulse-border{0%{-webkit-transform:translateX(-50%) translateY(-50%) translateZ(0) scale(1);transform:translateX(-50%) translateY(-50%) translateZ(0) scale(1);opacity:1}100%{-webkit-transform:translateX(-50%) translateY(-50%) translateZ(0) scale(1.5);transform:translateX(-50%) translateY(-50%) translateZ(0) scale(1.5);opacity:0}}